Nerdulator> put something in

Recognised as Colour

#0B0391

  • #0B0391
  • Blue
  • Dark
  • Nearest: Dark blue

#0B0391 is a blue with RGB values 11, 3, 145 and HSL 243°, 96%, 29%. It is a dark colour, so white text on it reaches 14.6:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#0B0391#0B0391
HEX#0B0391
RGBrgb(11, 3, 145)
RGB (0–1)0.0431, 0.0118, 0.5686
RGB percentages4.3%, 1.2%, 56.9%
HSLhsl(243.4, 95.9%, 29%)
HSV / HSBhsv(243.4, 97.9%, 56.9%)
CMYK92.4%, 97.9%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer721,809
CSS custom property--colour: #0B0391;

Brightness & contrast

Relative luminance0.02181WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.62:1
Contrast with white14.62:1WCAG normal text: AAA
Contrast with black1.44:1WCAG normal text: Fail
Greyscale equivalent#0F0F0F
Inverted#F4FC6E

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#003094no red cones; affects about 1% of men; ΔE 26.3 from the original
Deuteranopia#00218Fno green cones; the most common form, about 1% of men; ΔE 16.7 from the original
Tritanopia#003A53no blue cones; rare, and affects men and women equally; ΔE 76.4 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text14.62:1WCAG large text: AAA
Contrast with black, large text1.44:1WCAG large text: Fail

Named colours

Dark blue · ΔE 2Navy · ΔE 7Indigo · ΔE 16.9Midnight blue · ΔE 27.9Medium blue · ΔE 28.4Rebecca purple · ΔE 29.1
Nearest named CSS colourDark blue (#00008B)ΔE 2.04, below the just-noticeable difference
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#899103
Analogous#034291, #520391
Triadic#910B03, #03910B
Split complementary#915203, #429103
Tetradic#910342, #899103, #039152

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#6D64FC
Lighter +30%#3E32FB
Lighter +20%#1305F5
Lighter +10%#0F04C3
Darker −10%#07025F
Darker −20%#03012D
Darker −30%#000000
Darker −40%#000000
More saturated +25%#080094
Less saturated −25%#1B157F

Channel breakdown

R11
G3
B145
Red11 (4.3%)
Green3 (1.2%)
Blue145 (56.9%)
Hue243.38°
Saturation (HSL)95.95%
Lightness29.02%
Dominant channelBlue
Hex per channelR 0B · G 03 · B 91

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “0b0391” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.